Home / 216,019,039.17-323,897,338.52-84,703,986.23

Finding the Fourth Proportional to 216,019,039.17, 323,897,338.52 and 84,703,986.23

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Solution

The fourth proportional to 216,019,039.17, 323,897,338.52 and 84,703,986.23 is: 127,004,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,019,039.17 : 323,897,338.52 = 84,703,986.23 : x
  2. Step 2: Convert to fraction form
    216,019,039.17/323,897,338.52 = 84,703,986.23/x
  3. Step 3: Cross multiply
    216,019,039.17x = 323,897,338.52 × 84,703,986.23
  4. Step 4: Simplify right side
    216,019,039.17x = 27,435,395,700,684,088
  5. Step 5: Solve for x
    x = 27,435,395,700,684,088/216,019,039.17
  6. Step 6: Final answer
    x = 127,004,526.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.